当选择“女”时，显示“美女、才女”；当选择“男”时，隐藏 aspx 页面内容：
<head runat="server">
<title>用RadioButten（或CheckBox）实现div的显示与隐藏</title>
<script type="text/javascript" language="javascript">
function show2() {
if (document.getElementById("Radio2").checked) {
document.getElementById("nvInfo").style.display = "block";
}
else {
document.getElementById("nvInfo").style.display = "none";
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<input id="Radio1" type="radio" runat="server" name="11" onclick="show2()" value="11" />男
<input id="Radio2" type="radio" runat="server" name="11" onclick="show2()" value="22" />女
<%-- <input id="Radio2" type="checkbox" runat="server" name="11" onclick="show2()" value="22" />女--%>
</div>
<div id="nvInfo" runat="server" style="display: none;">
<input id="Radio5" type="radio" runat="server" name="2" onclick="show1" value="11" />美女
<input id="Radio6" type="radio" runat="server" name="2" onclick="show2" value="22" />才女
</div>
</form>
</body>
cs页面代码：
protected void Page_Load(object sender, EventArgs e)
{
this.Radio2.Checked = true;
if (this.Radio2.Checked)
this.nvInfo.Attributes.CssStyle.Add("display", "block"); //从.cs给.aspx中的HTML控件添加CSS样式属性
if (this.Radio1.Checked)
this.nvInfo.Attributes.CssStyle.Add("display", "none"); //从.cs给.aspx中的HTML控件添加CSS样式属性
}